Glyphs

Here we map one dimension to rectangle size, and the other to color along a greyscale ramp. Talk about meaningless! Is it possible to extract any information from here?

When working with glyphs, the most important question to ask is, "Am I making it any easier to understand this data?

Systolic Blood Pressure(SBP)	Hematocrit (HCT)
70	48
70	44
118	49
50	35
130	33
142	51
80	41
86	34
60	36
150	49
64	35
60	49
0	41
80	37
0	47
60	34
90	62
110	39
120	33
30	34

This data set was obtained from Glyphs -- Getting the Picture.